ATE126719T1 - CATALYST AND CATALYTIC REDUCTION. - Google Patents
CATALYST AND CATALYTIC REDUCTION.Info
- Publication number
- ATE126719T1 ATE126719T1 AT92915772T AT92915772T ATE126719T1 AT E126719 T1 ATE126719 T1 AT E126719T1 AT 92915772 T AT92915772 T AT 92915772T AT 92915772 T AT92915772 T AT 92915772T AT E126719 T1 ATE126719 T1 AT E126719T1
- Authority
- AT
- Austria
- Prior art keywords
- pct
- catalyst
- titania
- sec
- catalytic reduction
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
PCT No. PCT/GB92/01312 Sec. 371 Date Apr. 14, 1994 Sec. 102(e) Date Apr. 14, 1994 PCT Filed Jul. 17, 1992 PCT Pub. No. WO93/02776 PCT Pub. Date Feb. 18, 1993.A catalyst for the selective reduction of nitric oxide NO in flue gas to nitrogen using ammonia NH3 comprises oxidatively heat treated manganese oxide loaded on a porous substrate of gamma-alumina or titania- or titania-/WO3-modified silica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91306928 | 1991-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE126719T1 true ATE126719T1 (en) | 1995-09-15 |
Family
ID=8208359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92915772T ATE126719T1 (en) | 1991-07-29 | 1992-07-17 | CATALYST AND CATALYTIC REDUCTION. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5476828A (en) |
JP (1) | JPH06509273A (en) |
AT (1) | ATE126719T1 (en) |
AU (1) | AU2341292A (en) |
CA (1) | CA2112695A1 (en) |
DE (1) | DE69204291T2 (en) |
GB (1) | GB2272172B (en) |
HU (1) | HUT68783A (en) |
ZA (1) | ZA925375B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1894622B1 (en) * | 2001-03-29 | 2012-03-14 | Idemitsu Kosan Co., Ltd. | Process for reforming a hydrocarbon |
US7037875B2 (en) * | 2003-04-04 | 2006-05-02 | Engelhard Corporation | Catalyst support |
RU2372991C2 (en) * | 2004-01-20 | 2009-11-20 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Method of regenerating catalytic activity of spent hydrogen processing catalyst, spent hydrogen processing catalyst with regenerated activity, and hydrogen processing method |
KR101211600B1 (en) * | 2010-11-19 | 2012-12-12 | 한국과학기술연구원 | Apparatus and method for manufacturing manganese oxide-titania catalyst |
WO2018224651A2 (en) | 2017-06-09 | 2018-12-13 | Basf Se | Catalytic article and exhaust gas treatment systems |
US11154847B2 (en) | 2017-06-09 | 2021-10-26 | Basf Corporation | Catalytic article and exhaust gas treatment systems |
JP2020536727A (en) | 2017-10-12 | 2020-12-17 | ビーエーエスエフ コーポレーション | Combination of NOx absorber and SCR catalyst |
JP7368351B2 (en) | 2017-11-10 | 2023-10-24 | ビーエーエスエフ コーポレーション | Catalyzed soot filter with reduced ammonia oxidation |
BR112020016802A2 (en) | 2018-02-19 | 2020-12-15 | Basf Corporation | SYSTEM FOR TREATING AN EXHAUST GAS CHAIN FROM AN ENGINE AND METHOD FOR TREATING AN EXHAUST GAS CHAIN |
KR20230143152A (en) | 2021-02-02 | 2023-10-11 | 바스프 코포레이션 | Exhaust gas treatment system for reducing ammonia emissions from automotive gasoline applications |
WO2024133298A1 (en) | 2022-12-21 | 2024-06-27 | Basf Corporation | Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications |
CN116510510B (en) * | 2023-06-11 | 2023-09-26 | 连云港中星能源有限公司 | Efficient energy-saving denitration process based on electric heating assistance |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB279172A (en) * | 1926-07-22 | 1927-10-24 | Paul Stancliff Mccann | Improvements in loaded conductors |
US4003854A (en) * | 1974-06-03 | 1977-01-18 | Gennady Alexeevich Skvortsov | Catalyst of supported vanadium oxide and manganese oxide and method of producing same |
JPS5920383B2 (en) * | 1977-06-08 | 1984-05-12 | 呉羽化学工業株式会社 | NOx reduction catalyst with high activity at low temperatures |
JPS56166943A (en) * | 1980-05-27 | 1981-12-22 | Babcock Hitachi Kk | Preparation of catalyst for removing nitrogen oxides |
GB8524544D0 (en) * | 1985-10-04 | 1985-11-06 | Shell Int Research | Poly-metal containing catalyst |
DE3778611D1 (en) * | 1986-07-25 | 1992-06-04 | Mitsubishi Petrochemical Co | METHOD OF DENICKING NITROGEN OXIDE IN EXHAUST GAS. |
GB8619536D0 (en) * | 1986-08-11 | 1986-09-24 | Shell Int Research | Bimetallic catalyst |
US4966882A (en) * | 1987-06-05 | 1990-10-30 | Babcock-Hitachi Kabushiki Kaisha | Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same |
-
1992
- 1992-07-17 US US08/190,051 patent/US5476828A/en not_active Expired - Fee Related
- 1992-07-17 AU AU23412/92A patent/AU2341292A/en not_active Abandoned
- 1992-07-17 CA CA002112695A patent/CA2112695A1/en not_active Abandoned
- 1992-07-17 JP JP5503362A patent/JPH06509273A/en active Pending
- 1992-07-17 GB GB9326160A patent/GB2272172B/en not_active Expired - Fee Related
- 1992-07-17 ZA ZA925375A patent/ZA925375B/en unknown
- 1992-07-17 DE DE69204291T patent/DE69204291T2/en not_active Expired - Fee Related
- 1992-07-17 HU HU9400254A patent/HUT68783A/en unknown
- 1992-07-17 AT AT92915772T patent/ATE126719T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB9326160D0 (en) | 1994-03-16 |
JPH06509273A (en) | 1994-10-20 |
CA2112695A1 (en) | 1993-01-30 |
DE69204291T2 (en) | 1996-04-11 |
ZA925375B (en) | 1993-04-28 |
GB2272172A (en) | 1994-05-11 |
DE69204291D1 (en) | 1995-09-28 |
GB2272172B (en) | 1995-11-29 |
HUT68783A (en) | 1995-05-17 |
HU9400254D0 (en) | 1994-05-30 |
US5476828A (en) | 1995-12-19 |
AU2341292A (en) | 1993-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |